Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 38 insertions, 0 deletions

diff --git a/runsc/cmd/path.go b/runsc/cmd/path.go
new file mode 100644
index 000000000..4bb1dbb4f
--- /dev/null
+++ b/runsc/cmd/path.go
@@ -0,0 +1,38 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"os"
+	"path/filepath"
+)
+
+// absPath turns the given path into an absolute path (if it is not already
+// absolute) by prepending the base path.
+func absPath(base, rel string) string {
+	if filepath.IsAbs(rel) {
+		return rel
+	}
+	return filepath.Join(base, rel)
+}
+
+// getwdOrDie returns the current working directory and dies if it cannot.
+func getwdOrDie() string {
+	wd, err := os.Getwd()
+	if err != nil {
+		Fatalf("error getting current working directory: %v", err)
+	}
+	return wd
+}